diff --git a/Gemfile b/Gemfile
index 0adbac4..f4a3e28 100644
--- a/Gemfile
+++ b/Gemfile
@@ -13,7 +13,7 @@ group :production do
   gem 'pg'
 end
 # Use Puma as the app server
-gem 'puma', '~> 3.11'
+gem 'puma', '~> 3.12'
 # Use SCSS for stylesheets
 gem 'sass-rails', '~> 5.0'
 # Use Uglifier as compressor for JavaScript assets
diff --git a/Gemfile.lock b/Gemfile.lock
index adbbae5..4f738e7 100644
--- a/Gemfile.lock
+++ b/Gemfile.lock
@@ -140,7 +140,7 @@ GEM
     pg (1.1.4)
     popper_js (1.14.5)
     public_suffix (3.1.0)
-    puma (3.12.1)
+    puma (3.12.3)
     rack (2.0.7)
     rack-test (1.1.0)
       rack (>= 1.0, < 3)
@@ -258,7 +258,7 @@ DEPENDENCIES
   jquery-rails
   listen (>= 3.0.5, < 3.2)
   pg
-  puma (~> 3.11)
+  puma (~> 3.12)
   rails (~> 5.2.3)
   ransack!
   sass-rails (~> 5.0)